Solar p-mode frequency splittings

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1989 English Publisher:American Astronomical SocietyJournal:The Astrophysical Journal, volume 336, page 1,092 (issn: 0004-637X, eissn: 1538-4357,

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Authors: K. G. Libbrecht;

doi: 10.1086/167079

Solar p-mode frequency splittings

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Abstract

Measurements of solar p-mode frequency splittings based on 100 days of solar Doppler observations are presented. The measurements have a high S/N ratio and show the dependence of splitting on radial order as well as spherical harmonic degree. The data confirm that the solar rotation rate is not constant on cylinders but is more closely represented as having only slight variation with radius throught the convection zone. Also, it is shown that the frequency splitting vary with solar cycle. 18 references.

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